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Primerjava metod dimenzioniranja novih asfaltnih voziščnih konstrukcij v Sloveniji, Nemčiji in ZDA : magistrsko delo
ID Ahmić, Ines (Author), ID Žura, Marijan (Mentor) More about this mentor... This link opens in a new window

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Abstract
Dobro zasnovana in ustrezno razvita prometna infrastruktura predstavlja enega izmed temeljev današnje družbe. Pogoj za skladen regionalni razvoj, ustvarjanje najboljših možnosti za učinkovit potek gospodarskih dejavnosti in posredno za poselitev primernih območij države je vsekakor kakovostno cestno omrežje. Le-to v Sloveniji žal ni v najbolj zavidljivem stanju, obenem pa država ne more v celoti zagotoviti dovolj lastnih proračunskih sredstev za zadostno ter posledično ustrezno vzdrževanje. Propadanje ter življenjska doba ceste je v veliki meri odvisna od ustreznosti voziščne konstrukcije, zato je izrednega pomena, da se že pri projektiranju in gradnji cest posveti precejšnjo pozornost prav zasnovi in projektiranju voziščne konstrukcije. Ta mora seveda biti optimalno dimenzionirana in v načrtovanem obdobju sposobna prenesti predvidene prometne obremenitve. V magistrski nalogi se postavlja vprašanje, ali je metoda dimenzioniranja novih asfaltnih voziščnih konstrukcij, ki se uporablja v Sloveniji, najbolj ustrezna oziroma ali so voziščne konstrukcije pri nas poddimenzionirane ali celo predimenzionirane. S tem namenom se je v nalogi predstavilo metodo dimenzioniranja, ki je predpisana v Tehnični specifikaciji za ceste TSC 06.520 Projektiranje in dimenzioniranje novih asfaltnih voziščnih konstrukcij. Podrobno se je preučilo in opisalo tudi izbrani metodi dimenzioniranja fleksibilnih voziščnih konstrukcij, v Nemčiji po smernicah RStO 12 (Richtlinien für die Standardisierung des Oberbaus von Verkehrsflächen) ter Združenih državah Amerike po AASHTO priročniku (AASHTO Guide for Design of Pavement Structures). Poleg primerjave teoretičnih osnov se je po vsaki od obravnavanih metod dimenzioniralo voziščno konstrukcijo za nekaj tipičnih primerov prometnih obremenitev. Na osnovi računskega postopka se je izvedla tudi primerjava rezultatov dimenzioniranja, ki je pripeljala do zaključka, da so asfaltne voziščne konstrukcije v Sloveniji, v primerjavi s tistimi dimenzioniranimi po smernicah RStO 12 in AASHTO priročniku, predimenzionirane in bi vsekakor bila smiselna sprememba obstoječe metode dimenzioniranja oziroma dopolnitev tehničnih specifikacij.

Language:Slovenian
Keywords:metoda dimenzioniranja, fleksibilna voziščna konstrukcija, asfalt, tehnične specifikacije
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publisher:[I. Ahmić]
Year:2017
PID:20.500.12556/RUL-98317 This link opens in a new window
UDC:625.7/.8:693.78(497.4)(430)(73)(043.3)
COBISS.SI-ID:8236129 This link opens in a new window
Publication date in RUL:25.11.2017
Views:4430
Downloads:1103
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Secondary language

Language:English
Title:A comparison of new asphalt pavement design methods in Slovenia, Germany and the U.S. : Master thesis
Abstract:
A well designed and appropriately developed traffic infrastructure is fundamental to today's society. A quality road network is most definitely a condition for coordinated regional development, creating the best options for an efficient course of economic activities and indirectly for populating appropriate areas of the country. Unfortunately, the Slovenian road network is not in an enviably good state and simultaneously the country cannot ensure enough of its own assets to provide sufficient and appropriate managing. The serviceability and lifetime of a road in a great manner depends on the appropriate pavement structure that is why it is of a great importance that, when building a road, a lot of concern is put into the planning and design of the pavement structure. It, of course, has to be optimally designed and must have the ability to bear the anticipated traffic loading. The master thesis deals with the question whether the design method of new asphalt pavement structures used in Slovenia is the most appropriate in terms of thicknesses of the pavement structure. For that purpose, a design method according to regulations in Slovenian technical specifications TSC 06.520 (Design procedure for new asphalt pavement structures) is introduced. Two other asphalt pavement structures design methods are studied in detail namely from the German RStO 12 (Richtlinien für die Standardisierung des Oberbaus von Verkehrsflächen) and the U.S. AASHTO Guide for Design of Pavement Structures. In addition to comparison of theoretical basis there were also designed pavement structures for some typical examples of traffic loadings according to every discussed method. A comparison of the results of design procedure led to a conclusion that asphalt pavement structures in Slovenia are, compared to the ones designed according to RStO 12 guidelines and AASHTO design guide, oversized therefore a change of current design method or a completion of technical specifications would be reasonable.

Keywords:design method, flexible pavement, asphalt, technical specifications

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